Set of 270 rings for air conditioners

Set of 270 O-rings for air conditioning sealing.
O-rings are characterized by increased resistance to extreme temperatures, most chemicals, solutions and gases.
The set contains all the most popular sizes of O-rings used in air conditioning.
The set is placed in a box closed with latches with an eyelet for hanging on a hook, eg in a workshop.

The set contains:
5.29 x 1.78 [pcs]: 20
6.07 x 1.78 [pcs]: 20
6.80 x 1.90 [pcs]: 20
7.65 x 1.78 [pcs]: 20
7.80 x 1.90 [pcs]: 20
7.80 x 1.90 [pcs]: 20
8.80 x 1.90 [pcs]: 20
10.00 x 2.00 [pcs]: 10
10.77 x 2.62 [pcs]: 15
11.00 x 2.00 [pcs]: 15
11.00 x 1.78 [pcs]: 15
13.90 x 1.78 [pcs]: 10
12.95 x 2.00 [pcs]: 15
10.00 x 2.00 [pcs]: 10
14.00 x 2.00 [pcs]: 10